{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "data breach", "arguments": ["number of victim", "attacker", "attack pattern", "purpose", "tool", "place", "number of data", "damage amount", "time", "compromised data"]}], "input": "As of Thursday , the city 's Department of Information Management , which first discovered the attack on March 21 , said that it had found no evidence that customer or employee data was compromised ."}
{"data breach": [{"number of victim": "NAN", "attacker": "NAN", "attack pattern": "NAN", "purpose": "NAN", "tool": "NAN", "place": "NAN", "number of data": "NAN", "damage amount": "NAN", "time": "NAN", "compromised data": "customer or employee data"}]}